100G SR4 to 4× 25G SR
Lowest-cost fit- Switch end
- 1× 100GBASE-SR4 QSFP28
- Far ends
- 4× 25GBASE-SR SFP28
- Cable
- MPO-12 (female) to 4× LC duplex breakout, OM4
- Maximum reach
- 100 m
70 m on OM3, 100 m on OM4. Type B polarity.
Breakout and cabling planner
Choose the port speed, how you want to split it, and the cable run. Reach figures follow the IEEE and industry standards; confirm your switch supports breakout on that port.
100G PSM4 to 4× 25G LR
- Switch end
- 1× 100G PSM4 QSFP28
- Far ends
- 4× 25GBASE-LR SFP28
- Cable
- MPO-12 to 4× LC duplex breakout, OS2
- Maximum reach
- 500 m
PSM4 is limited to 500 m.